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3 years ago

5

On the product by rounding to the nearest that NO LINKS

2 answers:

Svetlanka [38]3 years ago

5 0

Arithmetic

To round, go to the length behind it.

2<u>,</u><u>4</u>13

If it is four or under, you keep the four and, you must turn everything to the left side to zero.

If it is five and up, turn the number into 3000.

Note: This cannot be rounded to 2,500 and 2,400 due to the question being asked.

Meaning, the equation formed is:

5x2,000=10,000

monitta3 years ago

5 0

Answer: 10,000

Step-by-step explanation:

the equation is 5 x 2000=10,000

because 1 - 4 let it stay and 5-9 higher up the grade so is was a 2 but you don’t look at the 2 it depends on the number that’s next to it which is 4 and that Means it stays and everything turns into a zero except the two remains it means 5×2000 = 10,000

i hope this helps

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4 years ago

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3 years ago

A waste management company is designing a rectangular construction dumpster that will be twice as long as it is wide and must ho

LekaFEV [45]

Answer:

<u>The dimensions are:</u>

<u>l = 2*1.96 = 3.92 yd</u>

<u>h = 5/(1.96)² = 1.30 yd</u>

<u>w = 1.96 yd</u>

Step-by-step explanation:

The volume is given by:

$V=l*w*h$

Where:

l is the long
w the wide
h the height

We know that l = 2w, so we have:

$V=2w^{2}*h$

$10=2w^{2}*h$

$5=w^{2}*h$ (2)

Now, the surface of this parallelepiped is:

$S=2wh+2lh+lw$

Using l = 2w:

$S=2wh+4wh+2w^{2}$

Using (2) we obtain the surface equation in terms of w.

$S=2w\frac{5}{w^{2}}+4w\frac{5}{w^{2}}+2w^{2}$

$S=2\frac{5}{w}+4\frac{5}{w}+2w^{2}$

We need to take the derivative with respect to w to minimize the surface area.

$S=2\frac{5}{w}+4\frac{5}{w}+2w^{2}$

$S=\frac{30}{w}+2w^{2}$

$\frac{dS}{dw}=-\frac{30}{w^{2}}+4w$

Now, let's equal it to zero.

$0=-\frac{30}{w^{2}}+4w$

$\frac{30}{w^{2}}=4w$

$w^{3}=\frac{30}{4}$

$w=1.96\: yd$

So, <u>l = 2*1.96 = 3.92 yd</u> and <u>h = 5/(1.96)² = 1.30 yd</u>

<u>Therefore, the dimensions are:</u>

<u>l = 2*1.96 = 3.92 yd</u>

<u>h = 5/(1.96)² = 1.30 yd</u>

<u>w = 1.96 yd</u>

I hope it helps you!

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3 years ago

Bus A and Bus B leave the bus depot at 7 am.

Art [367]

Answer:

9:30 am

Step-by-step explanation:

We can make a chart and keep filling it in until we see the same time in both columns.

Bus A Bus B

7:00 7:00

7:30 7:50

8:00 8:40

8:30 9:30

9:00 10:20

9:30

Answer: 9:30 am

We can also use the least common multiple of 30 and 50.

We need to find the smallest number that is a multiple of both 30 and 50.

30 = 2 * 3 * 5

50 = 2 * 5^2

LCD = 2 * 3 * 5^2 = 150

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7:00 am + 2 hours and 30 minutes = 9:30 am

Answer: 9:30 am

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3 years ago

Read 2 more answers